| Leviathan Security Group | Washington |
| Levin & Riegner, LLC | New York |
| Levine Leichtman Capital Partners | |
| Levine Tox Consulting | Illinois |
| Levisonics, Inc. | Indiana |
| Levit, Inc. | |
| Levita Magnetics | California |
| LevitasBio, Inc. | California |
| Levitate | North Carolina |
| Levitate Bio | |
| Levo | Oklahoma |
| Levo Healthcare Consulting, LLC | |
| Levolta Pharmaceuticals, Inc. | |
| Levostar Biotech, LLC | |
| Levy Marketing | |
| Levy Online | |
| Lewis & Clark AgriFood | |
| Lewis & Clark College Computer Science | Oregon |
| Lewis & Clark College Mathematical Sciences | Oregon |
| Lewis University | Illinois |
| Lewis-Clark State College | Idaho |
| Lewiston/Auburn Macintosh Users Group | Maine |
| LeWiz Communications, Inc. | California |
| Lex Machina, Inc. | California |
| Lex, Inc. | |
| Lexalytics, Inc. | Massachusetts |
| LexaMed | |
| Lexan Systems, LLC | New Hampshire |
| Lexar.com | California |
| Lexbe, Inc. | Texas |
| Lexel Imaging Systems, Inc. | Kentucky |
| Lexeo Therapeutics, Inc. | |
| Lexia Learning | Massachusetts |
| Lexias, Inc. | New York |
| Lexicom Corporate Services, Inc. | Wisconsin |
| Lexicon International Corporation | Pennsylvania |
| Lexicon Pharmaceuticals, Inc. | |
| LexiConn Internet Services, Inc. | Connecticut |
| Lexigram, Inc. | California |
| Lexii.ai | Texas |
| Lexinet Corporation | Kansas |
| Lexington Computer Support | Kentucky |
| Lexion | Washington |
| LexisNexis | |
| Lexitas Pharma Services, Inc. | |
| Lexmark International, Inc. | Kentucky |
| LexTech, Inc. | Ohio |
| Lextel, Inc. | Massachusetts |
| LFX Venture Partners | |
| LG Networks, Inc. | Texas |